Today derry township, Hummelstown PA is count around 28 homes for sale at current average listing price of $636,207. Nearby neighborhoods of derry township are None Available, High Pointe In Hershey, Hershey Downtown, Cambridge Commons, Hershey Village, Derry Woods, Hershey, Oakmont, Shady Hill Estates, Southpoint. Most of derry township homes are 3 bedrooms with 3 bathrooms.